<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <link rel="stylesheet" href="./bootstrap/css/bootstrap.css" />
  <style>
    .panel {
      width: 900px;
      margin: 10px auto;
    }

    .table img {
      width: 40px;
      height: 40px;
    }
  </style>
</head>

<body>
  <div class="container">
    <div class="panel panel-primary">
      <!-- Default panel contents -->
      <div class="panel-heading">英雄列表管理</div>
      <div class="panel-body">
        <!-- 存放的搜索区域 -->
        <form action="" autocomplete="off">
          <div class="row">
            <div class="col-lg-3">
              <input type="text" class="form-control" placeholder="输入英雄名称" name="name" />
            </div>
            <div class="col-lg-3">
              <select class="form-control" name="gender">
                <option value="">--选择性别--</option>
                <option value="男">男</option>
                <option value="女">女</option>
              </select>
            </div>
            <div class="col-lg-3">
              <input name="age" type="text" class="form-control" placeholder="输入年龄" />
            </div>
            <div class="col-lg-3">
              <button type="button" class="btn btn-success" id="search">
                搜索
              </button>
              <button type="button" class="btn btn-warning" id="reset">
                重置
              </button>
            </div>
          </div>
        </form>
      </div>
      <table class="table table-bordered table-striped">
        <thead>
          <tr>
            <th>编号</th>
            <th>英雄名称</th>
            <th>英雄性别</th>
            <th>年龄</th>
            <th>操作区</th>
          </tr>
        </thead>
        <tbody id="tbody">
          <tr>
            <td>1</td>
            <td>大乔</td>
            <td>女</td>
            <td>18</td>
            <td>
              <button type="button" class="btn btn-danger">删除</button>
            </td>
          </tr>
        </tbody>
      </table>
    </div>
  </div>
  <script>
    // 数据可以自己添加
    const list = [
      { id: 1, name: "大乔", gender: "男", age: 18 },
      { id: 2, name: "小乔", gender: "女", age: 20 },
      { id: 3, name: "鲁班", gender: "男", age: 48 },
      { id: 4, name: "后羿", gender: "女", age: 28 },
    ]
    let tbody = document.querySelector('#tbody')
    let searchBtn = document.querySelector('#search')
    //渲染界面
    function render(list){
      const res = list.map((item,index)=>
      `<tr>
            <td>${item.id}</td>
            <td>${item.name}</td>
            <td>${item.gender}</td>
            <td>${item.age}</td>
            <td>
              <button data-index=${index} type="button" class="btn btn-danger">删除</button>
            </td>
          </tr>
      `)
      tbody.innerHTML = res.join('')
    }
    render(list)
    //搜索模块
    searchBtn.addEventListener('click',function(item,index){
      const name = document.querySelector('input[name=name]').value.trim()
      const gender = document.querySelector('select[name=gender]').value
      const age = document.querySelector('input[name=age]').value.trim()
      let arr = list
        if(name){ 
          arr = arr.filter(item => item.name === name)
        }
        if(gender){ 
          arr = arr.filter(item => item.gender === gender)
        }
        if(age){ 
          arr = arr.filter(item => item.age === +age)
        }
        render(arr)
      })
    
  </script>
</body>

</html>